Colour rendering definition

Colour rendering. (Ra) means the effect of an illuminant on the colour appearance of objects by conscious or subconscious comparison with their colour appearance under a reference illuminant;

Examples of Colour rendering in a sentence

  • Colour rendering index (CRI) of the LEDs used in the luminaires hall be greater than 80 x.

  • Colour rendering index (CRI) of the LEDs shall be greater than 70.

  • The initial CRI value classification for the photometric code can be obtained by using the following intervals: CodeCRI rangeColour rendering properties657 – 66Poor767 – 76Moderate877 – 86Good987 – 100ExcellentTable 1: Colour rendering value intervals Correlated Colour Temperature (CCT)Although white light is a mixture of colours, not all whites are the same since they depend on their constituent colours.

  • Specific requirements and tests 4.1. Colour rendering 4.1.1. Red content In addition to provisionsas described in paragraph 4.16.

  • Colour rendering qualities beyond 90 do not result in perceptible differences for the majority of people.• colour temperature: compact fluorescent lamps are sometimes perceived as providing cold light.

  • Colour rendering is important when it is necessary to discern one colour from the next – for veterinary tasks, for instance.Table 4.2 shows different Ra values for different lamp types.CHAPTER 3: SERVICES Table 4.2: Colour Rendering Index (Ra) Value for Common Lights Lamp TypeColour Rendition IndexIncandescent 4.1.3 UniformityUniformity should be considered.

  • Table 3 Colour rendering index for street lighting systems [BG]One way of reducing light pollution is to use luminaires which direct the light only on the areas to be illumi- nated.

  • Colour rendering defines the ability of a white light source to render object colours accurately.

  • Colour rendering is represented by the colour rendering index (CRI, maximum index value is 100).

  • Colour rendering of fluorescent tubes shall be specified in particular specifications or Bills of Quantities.However, where not specified the tubes shall be as assumed to be of “white” variety.

Related to Colour rendering

  • Enslavement means the exercise of any or all of the powers attaching to the right of ownership over a person and includes the exercise of such power in the course of trafficking in persons, in particular women and children;

  • footpath means a road over which there is a public right of way for pedestrians only, not being a footway;

  • Cosmetology means any one and/or combination of practices generally and usually performed by and known as the occupation of beauty culturalist, cosmeticians, cosmetologists or hairdressers or any person holding him or herself out as practicing cosmetology in or upon a place or premises. Cosmetology shall include, but otherwise not be limited to, the following: embellishing, arranging, dressing, curling, waving, cleansing, beautifying, cutting, singeing, bleaching, coloring, or similar work upon the hair of any person by any means and with hands or mechanical or electrical apparatuses, devices or appliances or by use of cosmetic preparations, antiseptics, tonics, lotions, creams or otherwise, massaging, cleansing, stimulating, manipulating, exercising, beautifying or similar work, the scalp, face, neck, arms, hands, bust or upper part of the body, or manicuring, pedicuring or sculpting the nails of any person.

  • Pre-Licensed Psychologist means an individual who has obtained a Ph.D. or Psy.D. in Clinical Psychology and is registered with the Board of Psychology as a registered Psychology Intern or Psychological Assistant, acquiring hours for licensing and waivered in accordance with Welfare and Institutions Code section 575.2. The waiver may not exceed five (5) years.

  • Telepsychology means the provision of psychological services using telecommunication technologies.

  • Licensed psychologist means a doctoral level psychologist licensed under section 18223(1) of the public health code, 1978 PA 368, MCL 333.18223.

  • Deafness means a hearing impairment that is so severe that the student is impaired in processing linguistic information through hearing, with or without amplification that adversely affects a student’s educational performance.

  • Loose-fitting facepiece means a respiratory inlet covering that is designed to form a partial seal with the face.

  • Extreme Vetting means data mining, threat modeling, predictive risk analysis, or other similar services." Extreme Vetting does not include:

  • Water-oriented use means a use that is water-dependent, water-related, or water-enjoyment, or a combination of such uses.

  • Deputation means a person or group of persons who wish to appear personally before the council or a committee of the council in order to address the council or committee of the council;

  • Tight-fitting facepiece means a respiratory inlet covering that forms a complete seal with the face.

  • Pruning means the appropriate removal of not more than one-third of the live branches or limbs of a Tree or more than one-third of the live branches or limbs on a Tree as part of a consistent annual pruning program.

  • Paraprofessional means a person who does not have an academic degree related to the scope of treatment or support services being provided but performs prescribed functions under the general supervision of that discipline.

  • Dusting aid means a product designed or labeled to assist in removing dust and other soils from floors and other surfaces without leaving a wax or silicone based coating. “Dusting Aid” does not include “Pressurized Gas Duster.”

  • Footprint means the track width multiplied by the wheelbase as stated in the certificate of conformity and defined in sections 2.1 and 2.3 of Annex I to Directive 2007/46/EC;

  • Restricted use pesticide means any pesticide or device which, when used as directed or in accordance with a widespread and commonly recognized practice, the director determines, subsequent to a hearing, requires additional restrictions for that use to prevent unreasonable adverse effects on the environment including people, lands, beneficial insects, animals, crops, and wildlife, other than pests.

  • Schengen area means the area without internal borders comprising the territories of the Member States as defined in point (a) applying the Schengen acquis in full.

  • Substance use disorder professional means a person

  • Tattooing means any method of placing ink or other pigment into or under the skin or mucosa by the aid of needles or any other instrument used to puncture the skin, resulting in permanent coloration of the skin or mucosa. This term includes all forms of cosmetic tattooing.

  • Non-Retail Behind The Meter Generation means Behind the Meter Generation that is used by municipal electric systems, electric cooperatives, or electric distribution companies to serve load.

  • Social Engineering Fraud means the intentional misleading of an Employee through the use of a Communication, where such Communication:

  • Interior means the spaces, parts, components or elements of an individual dwelling unit.

  • Pavement means any type of improved surface that is within the public right-of-way and that is paved or otherwise constructed with bituminous, concrete, aggregate, or gravel.

  • Scarification means loosening the topsoil and/or disrupting the forest floor in preparation for regeneration.

  • Snow tyre means a tyre whose tread pattern, tread compound or structure is primarily designed to achieve in snow conditions a performance better than that of a normal tyre with regard to its ability to initiate or maintain vehicle motion."